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A 2,000-hp, unity power factor, three-phase, Y-connected, 2,300-V, 30-pole, 60-Hz syn chronous motor has a synchronous reactance of 1.95 Ω per phase. Neglect all losses. Find the maximum power and torque.
Design a 2-bit count-down counter. This is a sequential circuit with 2 Flip-Flops and 1 input x.When x=0, the state of theFlip-Flops does not change.When x=1,the state sequence is11,10,01,00,11 and repeat.
mutual shifted by 90 degree currents through each of both windings of the single phase A motor are (5.5+1.7) A but RMS voltage of the supply is 220 V. How big will be torque on shaft of the motor is efficiency factor (\eta\) is 0.7
You are an electrical engineer for Packaging, Inc. Your boss has assigned you a project to program a pick-and-place system using a robot to remove cases from a conveyor to a pallet.
Why the spiral cable is better than the straight one? How can I protect my cable to be work for long while? How can we fix the cables when expose to any breaks or cut?
For the discrete signals defined as the following: x[0]=4, x[1]=1, x[3]=-1, x[n]=0 for all other integers n. v[0]=1, v[1]=-2, v[2]=3, v[3]=-4, v[n]=0 for all other integers n. Compute the convolution x[n]*v[n] for n
Calculate the drift current in cylindrical piece of material (crossection is 1cm2) with conductivity 10E3 1/Ohm*cm if the internal electric field directed along cylinder axis equals 10 V/cm.
Calculate the inductance per unit length of the coaxial cable. Assume the shells are very thin.
1) Calculate the open circuit voltage VOC (ZL removed) (magnitude and phase angle) 2) Calculate the Thevenin Equivalent impedance ZTH for this circuit (magnitude and phase angle)
Determine whether the following signals are energy or power signals and compute the energy or the power a) (-1)n u (n) b) cos (πn/3 + π/6 )
A system has a powe gain of 52. Directivity is measured as 90 and the dissipated power in an antenna with a gain of 700 is 1.9 watts. what is the EIRP in watts and dBm
A person has a 72 V battery along with 6, 9, and 18 ohm resistors. They are first wired in series, then is parallel. First, sketch each circuit. Then, find the current in each resistor as well as the voltage across each resistor for each resistor,..
design a new p-type semiconductor material. Acceptor density is Na=5x1015 cm^-3 and there are no donors are present in the material. The effective densities of states for this material is given as Nv=1.8x10^19cm^-3
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